-- Edit-mode only. Restores the latest completed installation without overwriting later edits.
assert(not game:GetService("RunService"):IsRunning(), "Stop Play/Test before rollback.")
local editor = game:GetService("ScriptEditorService")
local backups = assert(game.ServerStorage:FindFirstChild("DexNativeTagBackups"), "No native-tag backup exists.")
local chosen
for _, backup in ipairs(backups:GetChildren()) do
	if backup:GetAttribute("Complete") and not backup:GetAttribute("Restored") and (not chosen or backup:GetAttribute("CreatedAt") > chosen:GetAttribute("CreatedAt")) then chosen = backup end
end
assert(chosen, "No completed, unrestored native-tag backup exists.")
local changes = {}
for _, entry in ipairs(chosen:GetChildren()) do
	local object = game
	for segment in entry:GetAttribute("Path"):gmatch("[^/]+") do object = assert(object:FindFirstChild(segment), "Missing target; nothing restored.") end
	assert(object.ClassName == entry:GetAttribute("Class"), "Target class changed; nothing restored.")
	assert(editor:GetEditorSource(object) == entry.After.Value, "Source changed after installation: " .. object:GetFullName() .. ". Nothing restored.")
	if object:IsA("BaseScript") then assert(object.Disabled == entry:GetAttribute("AfterDisabled"), "Enabled state changed; nothing restored.") end
	table.insert(changes, {entry = entry, object = object})
end
local touched = {}
local ok, problem = pcall(function()
	for _, change in ipairs(changes) do
		table.insert(touched, change)
		editor:UpdateSourceAsync(change.object, function(current)
			assert(current == change.entry.After.Value, "Concurrent edit during rollback")
			return change.entry.Before.Value
		end)
		if change.object:IsA("BaseScript") then change.object.Disabled = change.entry:GetAttribute("Disabled") == true end
	end
end)
if not ok then
	for _, change in ipairs(touched) do
		pcall(function()
			editor:UpdateSourceAsync(change.object, function(current)
				assert(current == change.entry.Before.Value or current == change.entry.After.Value, "Concurrent edit; preserve it")
				return change.entry.After.Value
			end)
			if change.object:IsA("BaseScript") then change.object.Disabled = change.entry:GetAttribute("AfterDisabled") end
		end)
	end
	error("Rollback stopped: " .. tostring(problem) .. ". Backup preserved: " .. chosen:GetFullName())
end
for _, change in ipairs(changes) do if not change.entry:GetAttribute("Existed") then change.object:Destroy() end end
chosen:SetAttribute("Restored", true)
game:GetService("ChangeHistoryService"):SetWaypoint("Restore previous Dex Hood tag bridge")
print("DEX_NATIVE_TAGS_ROLLED_BACK. Website native-tag records and native game scripts were not changed. Restart test servers; publish only after reviewing.")